Volatile flavor components in strong-flavor Baijiu detected by different pretreatment methods combined with GC-MS [PDF]
Zhongguo niangzaoThe volatile flavor compounds in strong-flavor (Nongxiangxing) Baijiu were detected and analyzed by four pretreatment methods including solid phase extraction (SPE), liquid-liquid microextraction (LLME), headspace-solid phase microextraction (HS-SPME ...
FENG Ziyun, YANG Kangzhuo, HE Zhanglan, WANG Jianli, ZHENG Jia
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Use of headspace solid-phase microextraction for the analysis and characterisation of volatile compounds in rumen contents : a thesis presented in partial fulfillment of the requirements for the degree of Masterate of Science in Chemistry at Massey University [PDF]
, 2005 Appendix 2&3 removed due to copyright restrictions. Please consult print copy in Library.Volatile fatty acids (VFAs), alkyl phenols and indolic compounds are produced by rumen microbes during the fermentation of forages in ruminants.
Lu, Shengyi
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Dispersive liquid-liquid microextraction-gas chromatography-mass spectrometric determination of polycylic aromatic hydrocarbons in water [PDF]
, 2011 In this work, a sample preparation method based on dispersive liquid-liquid microextraction (DLLME) coupled with gas chromatography-mass spectrometry (GC-MS) was developed for the extraction of polycyclic aromatic hydrocarbons (PAHs), namely phenanthrene
Sharef A., Sarra Younes
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Recent developments in solid-phase microextraction
Analytical and Bioanalytical Chemistry, 2008 The main objective of this review is to describe the recent developments in solid-phase microextraction technology in food, environmental and bioanalytical chemistry applications. We briefly introduce the historical perspective on the very early work associated with the development of theoretical principles of SPME, but particular emphasis is placed on
Sanja, Risticevic +3 more
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Sorbent-Based Microextraction Combined with GC-MS: A Valuable Tool in Bioanalysis
ChemosensorsSample preparation is broadly recognized as the most critical, time-consuming, and error-prone step of a bioanalytical workflow. Over the years, the development of pretreatment methods aimed at the isolation and preconcentration of the target analytes ...
Marianna Ntorkou +1 more
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Czech Journal of Food Sciences, 2014 Headspace solid phase microextraction and purge and trap analysis were used for the determination of volatiles in beer. These methods were compared with the analysis of unconcentrated gas phase and liquid extraction. Solid phase microextraction proved to
Jana KLEINOVÁ, Bořivoj KLEJDUS
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Research advances in sample pretreatment techniques for pesticide residues
Journal of Chromatography OpenPesticide residue analysis is fundamental to food safety and environmental protection, where sample pretreatment critically determines detection accuracy.
Jiarong Cui, Fengshou Dong
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The Application of Headspace: Solid-Phase Microextraction (HS-SPME) Coupled with Gas Chromatography/Mass Spectrometry (GC/MS) for the Characterization of Polymers [PDF]
, 2017 Solid-Phase Microextraction (SPME) is a very simple and efficient, solventless sample preparation method, invented by Pawliszyn and coworkers at the University of Waterloo (Canada) in 1989.
Kusch, Peter (Dr.)
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Determination of Atrazine, Acetochlor, Clomazone, Pendimethalin and Oxyfluorfen in Soil by a Solid Phase Microextraction Method [PDF]
Pesticidi i Fitomedicina, 2008 A solid phase microextraction (SPME) method for simultaneous determination of atrazine, acetochlor, clomazone, pendimethalin and oxyfluorfen in soil samples was developed.
Rada Đurović +2 more
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Magnetic dispersive solid phase microextraction coupled with on-line chemical vapor generation method to extraction/preconcentration of mercury from environmental samples and determination by graphite furnace atomic absorption spectrometry. [PDF]
, 2019 Mercury (Hg) is classified as priority hazardous substances. Concentrations found in the aquatic environment are at trace levels as result of natural processes, such as erosion and volcanism, and anthropogenic discharges related mainly to industrial and ...
Cano-Pavón, José Manuel +6 more
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